Re: snmptrap to localhost

permalink · #1 (**permalink**) 05-22-2007

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On 5/22/07, Daniel Coelho <danicoelho7@gmail.com> wrote:
>
> When I do
> snmptrap -v 1 -c public localhost '' 0 0 '' coldStart.0
> or
> snmptrap -v 1 -c public 127.0.0.1 '' 0 0 '' coldStart.0
> or
> snmptrap -v 1 -c public 172.18.50.103 '' 0 0 '' coldStart.0
> I get nothing with tcpdump. (172.18.50.103 being my IP)
>
> Thanks in advance.
>
> Daniel Coelho
>
>
> On 5/22/07, rakesh zingade <rakeshzingade@gmail.com> wrote:
> >
> >
> >
> > On 5/22/07, Daniel Coelho < danicoelho7@gmail.com> wrote:
> >
> > > Hi,
> > >
> > > when I do
> > > snmptrap -v 1 -c public not_localhost_IP '' 0 0 '' coldStart.0
> > > the trap is received by the other host (I checked with tcpdump),
> > >
> > > but when I do
> > > snmptrap -v 1 -c public local_IP_or_localhost '' 0 0 ''
> > > coldStart.0
> > > I get nothing with the tcpdump port 162 and udp.
> > >
> > > Why can't I receive traps sent from localhost to localhost?
> > >
> > > Daniel Coelho
> > >
> > >
> > >
> > >
> > > -------------------------------------------------------------------------
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> > >
> > >
> >
> > are not_localhost_IP and local_IP_or_localhost defined in /etc/hosts or
> > config files?
> >
> > Try with only localhost or 127.0.01
> >
> > --
> > Rakesh P. Zingade
> > +919860129598
>
>

First do not send me an email directly .. send it through net-snmp users
community so others can help you and learn from the messages.

Try this:

snmptrap -v 1 -m ALL -c public localhost .1.3.6.1.6.3 localhost 6 1
20071105

Actually the syntax is

snmptrap -v 1 -c <community> manager_address OID agent_address <reasion for
sending trap> <trap-type> <Time stamp>

snmptrap -v 2c -c <community> manager_address <Time stamp> Trap OID

First run your snmptrapd in a shell then from other shell try to send
snmptrap...

If you still had a problem then send us what messages you are getting after
executing snmptrapd and snmptrap

--
Rakesh P. Zingade
+919860129598

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<br><div><span class="gmail_quote">On 5/22/07, <b class="gmail_sendername">Daniel Coelho</b> <<a href="mailto:danicoelho7@gmail.com">danicoelho7@gm ail.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div>When I do</div>
<div>snmptrap  -v 1 -c public  localhost   ''  0 0  '' coldStart.0<br>or</div>
<div>snmptrap  -v 1 -c public   <a href="http://127.0.0.1" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">127.0.0.1</a>  ''  0 0  '' coldStart.0</div>
<div>or</div>
<div>snmptrap  -v 1 -c public   <a href="http://172.18.50.103" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">172.18.50.1 03</a>  ''  0 0  '' coldStart.0<br>I get nothing with tcpdump. (
<a href="http://172.18.50.103" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">172.18.50.1 03</a> being my IP)</div>

<div> </div>
<div>Thanks in advance.</div><span class="sg">
<div> </div>
<div>Daniel Coelho<br><br> </div></span><div><span class="e" id="q_112b42a629da0e4b_2">
<div><span class="gmail_quote">On 5/22/07, <b class="gmail_sendername">rakesh zingade</b> <<a href="mailto:rakeshzingade@gmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">rakeshzinga de@gmail.com
</a>> wrote:</span>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0px 0px 0px 0.8ex; padding-left: 1ex;"><br><br>
<div>
<div><span><span class="gmail_quote">On 5/22/07, <b class="gmail_sendername">Daniel Coelho</b> <<a href="mailto:danicoelho7@gmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
danicoelho7@gmail.com</a>> wrote:</span></span></div>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div><span>
<div>Hi,</div>
<div> </div>
<div>when I do</div>
<div>snmptrap  -v 1 -c public  not_localhost_IP   ''  0 0  '' coldStart.0</div>
<div>the trap is received by the other host (I checked with tcpdump),</div>
<div> </div>
<div>but when I do</div>
<div>snmptrap  -v 1 -c public  local_IP_or_localhost &nbsp ; ''  0 0  '' coldStart.0</div>
<div>I get nothing with the tcpdump port 162 and udp.</div>
<div> </div>
<div>Why can't I receive traps sent from localhost to localhost?</div></span></div><span>
<div> </div>
<div>Daniel Coelho</div>
<div> </div>
<div> </div></span><br>-------------------------------------------------------------------------<br>This SF.net email is sponsored by DB2 Express<br>Download DB2 Express C - the FREE version of DB2 express and take<br>control of your XML. No limits. Just data. Click to get it now.
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</div><br><br clear="all">are not_localhost_IP and local_IP_or_localhost defined in /etc/hosts or config files?<br> <br>Try with only localhost or 127.0.01<br><span><br>-- <br>Rakesh P. Zingade<br>+919860129598
</span></blockquote></div></span></div></blockquote><div><br> </div>First do not send me an email directly .. send it through net-snmp users community so others can help you and learn from the messages. <br></div><br><br clear="all">
Try this:<br>
<br>
snmptrap  -v  1  -m ALL -c  public localhost .1.3.6.1.6.3  localhost 6 1 20071105 <br>
<br>
Actually the syntax is <br>
<br>
snmptrap -v 1  -c <community> manager_address OID agent_address
<reasion for sending trap> <trap-type> <Time stamp><br>
<br>
snmptrap -v 2c -c <community> manager_address <Time stamp> Trap OID<br>
<br>
First run your snmptrapd in a shell then from other shell try to send snmptrap...<br>
<br>
If you still had a problem then send us what messages you are getting after executing snmptrapd and snmptrap <br>
<br><br>-- <br>Rakesh P. Zingade<br>+919860129598

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